Agronomy Journal Journal of Natural Resources and Life Sciences Education
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Published online 1 July 1959
Published in Agron J 51:421-424 (1959)
© 1959 American Society of Agronomy
677 S. Segoe Rd., Madison, WI 53711 USA
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The Extent of Aberrants Produced by Merion Kentucky Bluegrass, Poa pratensis L., as Determined by First and Second Generation Progeny Tests1

J. M. Duich and H. B. Musser2

Synopsis: Aberrants produced by Merion Kentucky bluegrass averaged from 2.8 to 4.2% in 2 generations of progeny tests. Aberrancy from plural seedlings averaged 12.3% from the less than 2% polyembryos produced. Only 19% of the aberrants were found to be plus or equal. Second-generation progeny tests are necessary and valuable for verification of first-generation classifications and obtaining information on advanced-generation performance.

1 Contribution from the Department of Agronomy, Pennsylvania State Univ. Agr. Exp. Sta., University Park, Pa. Authorized as Paper No. 2309 of the Journal Series and approved for publication November 5, 1958.

2 Assistant Professor and Professor of Agronomy, Pennsylvania State University.

Received for publication November 14, 1958.




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Copyright © 1959 by the American Society of Agronomy.